A;istheenvironmentabigissuesinyourcountry?Itisinmine.

　　B:itisinminetoo.Thebiggestissueiswater.Theclimateisdryandsowaterconservationisveryimportant.

　　A:whatmethodsdoyouusetoconservewater?

　　B:waterisrationed.Wecanonlyuseacertainamounteachmonth.Itmeansthatwecannotusesomemodernhouseholditems,likewashingmachines.Theyusetoomuchwater.

　　A:Isee.Ithinkthebiggestenvironmentprobleminmycountryisairpollution.

　　B:yes,Iagree.Theairhereismuchmorepollutedthaninmycountry.Ofcourse,mycountryismoreagriculturalandhasmuchlessindustry.

　　A:wehavereducedemissionofairpollutantsinrecentyears,butcarsarestillamajorsourceofthem.Factorieshavebecomecleanerasstricterenvironmentpollutionlawhavebeenintroduced.

　　B:theproblemisnowonatrulyglobalscale.Idon’tbelievethatanysinglecountrycandoanythingaboutit.

　　A:Ithinkyou’reright.Thereneedstobeaninternationalresponsetothisproblem.